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Cell Tissue Res. 2003 Dec;314(3):325-35. Epub 2003 Sep 26.

Immunocytochemical characterisation of the wall of the bovine lateral ventricle.

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Departamento de Biología Celular, Genética y Fisiología, Facultad de Ciencias, Universidad de Málaga, 29071 Málaga, Spain.


The cytoarchitecture of the walls of the bovine lateral ventricles was investigated by the use of immunocytochemistry. We defined three types of walls. Type 1 lined regions of white matter and had ciliated cuboidal ependyma, a few subependymal cells and a narrow subjacent glial layer. Type 2 lined the striatum and possessed ependymal cells with conspicuous basal processes that extended through a wide subependyma containing many subependymal cells and a wide subjacent glial network. Type 3 lined the rostral horn and displayed ependymal cells with the longest basal processes and wider subependymal and glial layers. Ependymal cells of type 2 and 3 walls were labelled with antibodies against S-100beta protein, vimentin, GFAP, BLBP and nestin. Anti-betaIII-tubulin stained small cells in the subependyma and inside the GFAP- and vimentin-positive subjacent glial network. Anti-PCNA-positive nuclei were abundant in the subependymal and glial layers of type 2 and 3 walls. DiI in vitro tracing studies revealed small bipolar cells in the glial layer at a distance from the site of the label deposit. These results suggest that neurogenesis takes place in adult bovine subependyma mostly in the walls of the striatum and the rostral horn, and that young neuroblasts may migrate in a rostro-ventral direction through the glial network.

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